Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2012 Lightbox
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import android.content.Context;
import android.graphics.Bitmap;

import android.util.DisplayMetrics;

import android.view.WindowManager;

public class Main {
    public static float getScale(Bitmap bitmap, Context context) {
        int bitmapWidth = bitmap.getWidth();
        int bitmapHeight = bitmap.getHeight();
        DisplayMetrics outMetrics = getScreenPixels(context);
        int displayW = outMetrics.widthPixels;
        int displayH = outMetrics.heightPixels;
        float scale = bitmapHeight > bitmapWidth ? displayH / (bitmapHeight * 1f) : displayW / (bitmapWidth * 1f);
        return scale;
    }

    public static DisplayMetrics getScreenPixels(Context context) {
        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        DisplayMetrics outMetrics = new DisplayMetrics();
        wm.getDefaultDisplay().getMetrics(outMetrics);
        return outMetrics;
    }
}